Home / 9,142,771.38-12,616,957.49-5,012,734.45

Finding the Fourth Proportional to 9,142,771.38, 12,616,957.49 and 5,012,734.45

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Solution

The fourth proportional to 9,142,771.38, 12,616,957.49 and 5,012,734.45 is: 6,917,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142,771.38 : 12,616,957.49 = 5,012,734.45 : x
  2. Step 2: Convert to fraction form
    9,142,771.38/12,616,957.49 = 5,012,734.45/x
  3. Step 3: Cross multiply
    9,142,771.38x = 12,616,957.49 × 5,012,734.45
  4. Step 4: Simplify right side
    9,142,771.38x = 63,245,457,407,702.46
  5. Step 5: Solve for x
    x = 63,245,457,407,702.46/9,142,771.38
  6. Step 6: Final answer
    x = 6,917,536.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.